First thing is to put credit freezes on his credit accounts. Call up the major credit reporting agencies and explain what happened - they will tell him how to p

First thing is to put credit freezes on his credit accounts. Call up the major credit reporting agencies and explain what happened - they will tell him how to put the freezes on and those freezes will require manual confirmation by telephone for any loans (asking sensitive questions like, "What year was your last car loan? What was the amount? Who was it through?").